void OnDataAvailable(object sender, WaveInEventArgs e)
{
byte[] buffer = e.Buffer;
int bytesGrabados = e.BytesRecorded;
for (int i = 0; i < bytesGrabados; i++)
{
lblMuestra.Text = buffer[i].ToString();
}
writer.Write(buffer, 0, bytesGrabados);
}
